Dust-collector and the like.



A. JORGENSEN.

DUST COLLECTOR AND THE LIKE. APPLICATION HLBD NOV.'22, 1912.v

LQ, A .Patented Ma1'.18,1913.

'nutren ,sierras Parana? ALEXANDER J'ORGENSEN, yOF NEW' YORK, N. Y., ASSIGNOE/ `T0 winnaar n. Foa, on

NEW YORK, N. Y.

DUST-COLLECTQR AND LiKE.

To alt wiz-om it may Concern.'

Be it known that I, ALEXANDER JORGEN- smv, a citizen of the United States, ,residing at New York, county of New York, and State of New York, have.invented certain new and useful Improvements in Dustollectors and the Like, fully described. and yrepresented in the vfollowing 'specication and the accompanying drawings, forming a` partof the same. v

This invention relates to apparatus for ,th collection of powdered materials andv the seiL aration of air therefrom, with particular (reference to the handling of dust, flour or similar grinding products.

,Whe-'object of the invention is to provide a/'simple, eliicient and compact apparatus to take the placeof the complicated devices now used in .flour mills and other grinding mills for collecting the product and preventing interference by air'currents with the bolting or screening operations.

ln the drawings Fi'gure 1 is a' diagrammatic elevation of a complete separating apparatus embodying the invention as applied to one class of such apparatus. v Fig. 2 is a sectional side elevation of the collector of the present invention. Fig. 3 is an end elevation of the collector, and Figs. 4, 5 and G are diagrammatic views showing the coperative action of the collector valves.

)teferring to the drawings, 11 is a con tainer for the material to he treated, 12 is a blower by which the material is drawn from the container 11 through pipe 13 and forced through pipe 111 to a vertical cyclone 15, which shown is the usual vertical fabric hopper in 4which the. material circulates rapidly, much of the air passing out through the fabric wall. rl`he apparatus thus far described is that of a common type of apparatus, but the invention may be used in apparatus of other types, either with or without the cyclone or other preliminary air separator.

Referring now to the dust collector embodying the invention, this collector includes a vertical chute 16, and as shown, is provided with three sloping partitions 17, 17 extending downward and halfway across the interior of the chute, and three sets of guides 18, 1S in which valves 19,20 and 21 are slidably mounted, the partitions and Specificatie 0f Letters Petnt- Patented klar. i518, 'l Slt 53?. Jllpplicaton filed November 22, i

1912. Serial No. 7352,832.

Avalves together forming three successive chambers 'in the chute as shown. The valves are each attached to and moved hy a pitman Q2, the three pitmen being attached to the two throw crank 23 carried by a vertical shaft 24 journaled in the frame 25 ofv the collector. The shaft 18 is shown as driven through miter gears 26 and 27 by shaft 2S which may he connectedz with any suitable prime mover. As shown, the two outer cranks are in line with each-other while the center crank is advanced. 180 degrees in relation to the (alter cranks.

Referring to Figsfl, 5 and 6, Fig. 4 shows the first position, in which valves 19. and 21 are closed while 2() is open. Fig. 5 shows the positions ot' the valves after the driving shaft has rotated 90 degrees from its first position, all threel valves now being closed. Fig. 6 Shows the positions assumed after the shaft has rotated 18() degrees from .its first position, valves 1S) angl $21 being open and valve 2,0 closed. These iositionsv are each assumed in turn through each half rotation ofthe crank shaft. In use the powdered productI from the cyclone 15 drops downfward into the first chamber of chute 16 upon valve '15) and then into the second chan'lher upon valve Q0. Valve 19 is then closed and valve 20 opened to drop the material onto valve y21. Valve 20 is then closed and valve 21 opened to deliver the material at the lower end -of the chute to the holtiug and screening apparatus of usual construction, As one of the slides or valves 19, 20, or 21 is always in position to close .the chute 1G, there is never any air current through the chute, so that whatever air may pass through the chambers is quiescent and does notinterfere with the loolting or screening open tion. Gravity alone is depended upon for the passage of the powdered material downward through, the chambers, aided hy the jarring movement ofthe opening and closing valves. if desired, this jarring action may he increased by an auxiliary jarring device.

lvlodifcations of the above devices shown and described as au embodiment of t 1invcntion may he made hy those skilled in the art, and 'l therefore do not limit my invention to the specific construction illustrated.

lt will he understood that more than three valves may be used, and that for some purposes two valves in combination with the partitions may secure fairly satisfactory resalts, and such constructions are claimed.

l. An apparatus for handling powdered materials having a vertical chute formed of at' least three successive chambers, a valve for each chamber, and mechanism adapted to open the valves in succession, the relation of the valves and mechanism being such that at least one valve is always in a closed position. i

2. An apparatus for handling powdered materials having a vertical chute having apassage from end to end, a series of at least three valves located at different points along' the chute, each of the valves being adapted to close the passage in the chute, and mechanism adapted to move the valves successively and to maintain the closing of the passage by one of the valves at all times.

3. An apparatus for handling powdered materials having a vertical chute having at least three partitions, each of which extends partway across the chute, and valves cooperating with the respective partitions to divide the chute into chambers, said valves having dimensions equal to the crosssectional size of the chute.

4. An apparatus for handling powdered materials having ay vertical chute equipped with at least three partitions, each of .which extends halfway across the chute, valves cooperating with the respective partitions to divide the chute into chambers, the 'isaid valves having dimensions equal to the 'crosssectional size of the chute, and mechanism adapted to open and close the valves in suc cession.

5. An apparatus for handling powdered materials having a vertical chute having a plurality of partitions, each of which -extends partway across the chute, and valves coperating with the respective partitions to divide the chute into chambers said valves having dimensions equal to t e cross-sectional size of the chute.

, 6. An apparatus for handling powdered, materials having a chute in which is located f at least three separate valves having succssive movements or alternations, a two throw crank shaft, and connections between said valves and shaft whereby the Valves are actuated.

In testimony whereof, I have hereunto set my hand1 in the presence of two subscribing witnesses.

ALEXANDER JORGENSEN.

lVitnesses A FRED. H. lV. LUnRssnN, VILLIAM SiEVERS, Jr. 

